171083390212 has 48 divisors (see below), whose sum is σ = 367701683328. Its totient is φ = 67978437120.

The previous prime is 171083390189. The next prime is 171083390287. The reversal of 171083390212 is 212093380171.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650339 + ... + 2714122.

It is an arithmetic number, because the mean of its divisors is an integer number (7660451736).

Almost surely, 2^171083390212 is an apocalyptic number.

It is an amenable number.

171083390212 is an abundant number, since it is smaller than the sum of its proper divisors (196618293116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171083390212 is a wasteful number, since it uses less digits than its factorization.

171083390212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364556 (or 5364554 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 171083390212 in words is "one hundred seventy-one billion, eighty-three million, three hundred ninety thousand, two hundred twelve".